cc: Use visible_rect_for_tile_priority_ where approriate

cc/layers/picture_layer_impl.cc

Index: cc/layers/picture_layer_impl.cc
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
index 8960a801aea9ef0bfc3af79f743df715a7657d1c..aa14a25b7d8719f58921a5792bd172bc8040210c 100644
--- a/cc/layers/picture_layer_impl.cc
+++ b/cc/layers/picture_layer_impl.cc
@@ -809,7 +809,7 @@ void PictureLayerImpl::MarkVisibleResourcesAsRequired() const {
   // higher res on the active tree to a lower res on the pending tree.
 
   // First, early out for layers with no visible content.
-  if (visible_content_rect().IsEmpty())
+  if (visible_rect_for_tile_priority_.IsEmpty())
     return;
 
   // Only mark tiles inside the viewport for tile priority as required for
@@ -817,7 +817,7 @@ void PictureLayerImpl::MarkVisibleResourcesAsRequired() const {
   // can be independently overridden by embedders like Android WebView with
   // SetExternalDrawConstraints.
   gfx::Rect rect = GetViewportForTilePriorityInContentSpace();
-  rect.Intersect(visible_content_rect());
+  rect.Intersect(visible_rect_for_tile_priority_);
 
   float min_acceptable_scale =
       std::min(raster_contents_scale_, ideal_contents_scale_);
@@ -1495,7 +1495,7 @@ bool PictureLayerImpl::AllTilesRequiredForActivationAreReadyToDraw() const {
   if (!tilings_)
     return true;
 
-  if (visible_content_rect().IsEmpty())
+  if (visible_rect_for_tile_priority_.IsEmpty())
     return true;
 
   for (size_t i = 0; i < tilings_->num_tilings(); ++i) {
@@ -1504,7 +1504,7 @@ bool PictureLayerImpl::AllTilesRequiredForActivationAreReadyToDraw() const {
         tiling->resolution() != LOW_RESOLUTION)
       continue;
 
-    gfx::Rect rect(visible_content_rect());
+    gfx::Rect rect(visible_rect_for_tile_priority_);
     for (PictureLayerTiling::CoverageIterator iter(tiling, 1.f, rect); iter;
          ++iter) {
       const Tile* tile = *iter;